Dielectric ceramic composition and multilayer ceramic capacitor containing the same

A BaTiO3-based dielectric ceramic composition with controlled dysprosium and praseodymium content improves insulation resistance and dielectric constant, solving reliability issues in ultra-small multilayer ceramic capacitors.

JP7885481B2Inactive Publication Date: 2026-07-07SAMSUNG ELECTRO MECHANICS CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
SAMSUNG ELECTRO MECHANICS CO LTD
Filing Date
2020-06-16
Publication Date
2026-07-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

To provide a dielectric ceramic composition, capable of improving reliability, and a multilayer ceramic capacitor including the same.SOLUTION: According to one embodiment of the invention, there is provided a dielectric ceramic composition which includes a BaTiO3-based base material main ingredient and an accessory ingredient, the accessory ingredient including dysprosium (Dy) and praseodymium (Pr) as first accessory ingredients, wherein a content of the Pr satisfies 0.233 mol%≤Pr≤0.699 mol%, based on 100 mol% of the base material main ingredient, and is also provided a multilayer ceramic capacitor including the dielectric ceramic composition.SELECTED DRAWING: Figure 3
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